Assessment of bacterial positivity rate changes in anesthesia machine internal circuits within recovery rooms and associated risk factors

Table 2 Comparison of the positivity rate of bacteria at different time points

Parameter	β	\(\:s\stackrel{-}{x}\)	95% confidence interval		Hypothesis testing
Parameter	β	\(\:s\stackrel{-}{x}\)	Lower limit	Upper limit	Waldχ2	P value
14th day following disinfection	0.681	0.540	0.686	5.692	1.590	0.207
12th day following disinfection	0.539	0.598	0.531	5.537	0.812	0.368
10th day following disinfection	0.811	0.635	0.649	7.805	1.633	0.201
7th day following disinfection	0.205	0.680	0.324	4.651	0.091	0.763
5th day following disinfection	0.382	0.605	0.447	4.797	0.398	0.528
3rd day following disinfection	0^a

Note a: Reference group β: regression coefficient \(\:s\stackrel{-}{x}\): Standard error

ISSN: 1471-2253